A journey through the 800,000-acre national park that serves as a border between West Texas and Mexico, The Legend of Big Bend is a multi-media performance by the Justin Sherburn-led indie chamber band Montopolis that will be held 8 p.m. Friday, July 20 at the Stateside Theater at the Paramount. The performance blends music by Montopolis with visuals filmed en route to and of the Big Bend National Park by David Barrow and interviews conducted by Emily Lofaro and Montopolis frontman and performance artistic director Justin Sherburn. Sherburn,who also serves as the keyboardist for Okkervil River, composed the score for the 2014 documentary Yakona about the San Marcos River.